/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [https://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
package org.neo4j.bolt.protocol.common.codec;

import static org.assertj.core.api.Assertions.assertThat;

import io.netty.channel.embedded.EmbeddedChannel;
import org.junit.jupiter.api.Test;
import org.neo4j.bolt.protocol.common.message.response.IgnoredMessage;
import org.neo4j.packstream.io.PackstreamBuf;
import org.neo4j.packstream.signal.FrameSignal;

class BoltStructEncoderTest {

    @Test
    void shouldWriteMessageEnd() {
        var channel = new EmbeddedChannel(new BoltStructEncoder());

        channel.writeOutbound(IgnoredMessage.INSTANCE);

        var msg1 = channel.readOutbound();
        var msg2 = channel.readOutbound();

        assertThat(msg1).isNotNull().isSameAs(IgnoredMessage.INSTANCE);
        assertThat(msg2).isNotNull().isSameAs(FrameSignal.MESSAGE_END);
    }

    @Test
    void shouldIgnorePackstreamBufMessages() {
        var channel = new EmbeddedChannel(new BoltStructEncoder());

        channel.writeOutbound(PackstreamBuf.allocUnpooled());

        var msg1 = channel.readOutbound();
        var msg2 = channel.readOutbound();

        assertThat(msg1).isNotNull().isInstanceOf(PackstreamBuf.class);
        assertThat(msg2).isNull();
    }
}
